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Finding the Fourth Proportional to 603,131.64, 832,341.06 and 348,482.76

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Solution

The fourth proportional to 603,131.64, 832,341.06 and 348,482.76 is: 480,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,131.64 : 832,341.06 = 348,482.76 : x
  2. Step 2: Convert to fraction form
    603,131.64/832,341.06 = 348,482.76/x
  3. Step 3: Cross multiply
    603,131.64x = 832,341.06 × 348,482.76
  4. Step 4: Simplify right side
    603,131.64x = 290,056,509,850.13
  5. Step 5: Solve for x
    x = 290,056,509,850.13/603,131.64
  6. Step 6: Final answer
    x = 480,917.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.